70020717 has 32 divisors (see below), whose sum is σ = 105670656. Its totient is φ = 40920000.

The previous prime is 70020701. The next prime is 70020721. The reversal of 70020717 is 71702007.

It is not a de Polignac number, because 70020717 - 2⁴ = 70020701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70020767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224992 + ... + 225302.

It is an arithmetic number, because the mean of its divisors is an integer number (3302208).

Almost surely, 2^70020717 is an apocalyptic number.

It is an amenable number.

70020717 is a deficient number, since it is larger than the sum of its proper divisors (35649939).

70020717 is a wasteful number, since it uses less digits than its factorization.

70020717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its (nonzero) digits is 686, while the sum is 24.

The square root of 70020717 is about 8367.8382513048. The cubic root of 70020717 is about 412.1691834313.

The spelling of 70020717 in words is "seventy million, twenty thousand, seven hundred seventeen".